code: def _testAll(self, np_input, shift, axis):
      self._testRoll(np_input, shift, axis)
      if np_input.dtype == np.float32:
          self._testGradient(np_input, shift, axis)
  
imports: import numpy
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors_impl
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import gradient_checker
  from tensorflow.python.ops import manip_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 3 for calling the RollTest obj's underlying member method code with example usage: obj._testAll(np_input, shift, axis) without return types